-
Michael S. Tsirkin authored
Lockless __ptr_ring_empty requires that consumer head is read and written at once, atomically. Annotate accordingly to make sure compiler does it correctly. Switch locked callers to __ptr_ring_peek which does not support the lockless operation. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
a259df36